US4953886A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mobile stretcher support
Assignee: Individual
•
Filing: 1989-07-21
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Granted: 1990-09-04
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Expires: 2009-07-21
Abstract
Abstract An emergency hand truck for evacuating injured or wounded personnel has an elongated frame to which are mounted wheels, and litter support means is mounted approximately at each corner of the frame. The litter support means is adapted to receive the handles of a stretcher or body board, and has a curved surface adapted to support a Stokes basket type of litter.
Inventors
- 👤 Fred W. Grant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:08
CPC Classifications
A; A61; A61G; A61G1/00; A61G1/02; A61G1/0293; A61G1/0206; A61G1/0212; A61G1/0231; A61G1/0281; A61G1/04; A61G1/042; A61G7/00; A61G7/05; A61G7/0528
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
222 words
An emergency hand truck comprising an elongated flat frame member having front and rear sections, a first pair of wheels mounted at the front of said front section and a second pair of wheels mounted approximately at the rear of said rear section, said first pair of wheels being swivelly mounted to said frame, means for steering said truck comprising means for swiveling said first pair of wheels, and means for supporting a litter on said truck above said frame comprising first and second elongated flat plates, each having one end mounted to said frame adjacent a front corner thereof, and third and fourth elongated flat plates each having one end mounted to said frame adjacent a rear corner thereof, each of said flat plates having an upstanding support arm having its lower end mounted to the distal end of said flat plate and having a notch formed in its upper end, and a support plate extending from said support arm toward the mounted end of said flat plate, said support plate having a concave upper edge curving down and away from said support arm, whereby said means for supporting a litter supports the handles of a stretcher in the notched ends of said support arms, or supports a Stokes basket type litter on the curved upper edges of said support plates.
Claim 2
Dependent Claim
222 words
An emergency hand truck comprising an elongated flat frame member having front and rear sections, a first pair of wheels mounted at the front of said front section and a second pair of wheels mounted approximately at the rear of said rear section, said first pair of wheels being swivelly mounted to said frame, means for steering said truck comprising means for swiveling said first pair of wheels, and means for supporting a litter on said truck above said frame comprising first and second elongated flat plates, each having one end mounted to said frame adjacent a front corner thereof, and third and fourth elongated flat plates each having one end mounted to said frame adjacent a rear corner thereof, each of said flat plates having an upstanding support arm having its lower end mounted to the distal end of said flat plate and having a notch formed in its upper end, and a support plate extending from said support arm toward the mounted end of said flat plate, said support plate having a concave upper edge curving down and away from said support arm, whereby said means for supporting a litter supports the handles of a stretcher in the notched ends of said support arms, or supports a Stokes basket type litter on the curved upper edges of said support plates.
Claim 3
Dependent Claim
26 words
An emergency hand truck as claimed in claim 1 wherein said one end of each of said elongated flat plates is swivelly mounted to said frame.
Claim 4
Dependent Claim
59 words
An emergency hand truck as claimed in claim 1 wherein said front and rear sections of said frame are hinged together by a mounting hinge whereby said front section can be folded against said rear section, to form a closed frame, or unfolded to an open frame position with said front section parallel and coextensive with said rear section.
Claim 5
Dependent Claim
25 words
An emergency hand truck as claimed in claim 3 and further including means for locking said front and rear sections in the open frame position.
Claim 6
Dependent Claim
20 words
An emergency hand truck as claimed in claim 4 wherein said means for locking comprises at least one barrel bolt.
Claim 7
Dependent Claim
20 words
An emergency hand truck as claimed in claim 4 and further including means for relieving stress on said mounting hinge.
Claim 8
Dependent Claim
223 words
An emergency hand truck comprising, in combination, an elongated flat frame member formed of a plurality of hollow tubular members, and having a front and rear section hinged together by means of a mounting hinge, said front section having a tapered front end and said rear section having a tapered rear end, a first pair of wheels swivelly mounted to said tapered front end, and a second pair of wheels mounted adjacent said tapered rear end at either side thereof, means for steering said truck comprising means for swiveling said first pair of wheels, and means for supporting a litter on said truck above said frame comprising first and second elongated flat plates each having one end mounted to said frame on the front section adjacent said front end at either side thereof, and third and fourth elongated flat plates each having one end mounted to said frame on the rear section adjacent said rear end at either side thereof, the unmounted end of each of said flat plates having an upstanding support arm having a bottom end mounted to said plate and a top end adapted to receive a handle of a litter, and a support plate having a concave upper edge curving down and away from said support arm toward said one end of said flat plate mounted to said frame.
Claim 9
Dependent Claim
223 words
An emergency hand truck comprising, in combination, an elongated flat frame member formed of a plurality of hollow tubular members, and having a front and rear section hinged together by means of a mounting hinge, said front section having a tapered front end and said rear section having a tapered rear end, a first pair of wheels swivelly mounted to said tapered front end, and a second pair of wheels mounted adjacent said tapered rear end at either side thereof, means for steering said truck comprising means for swiveling said first pair of wheels, and means for supporting a litter on said truck above said frame comprising first and second elongated flat plates each having one end mounted to said frame on the front section adjacent said front end at either side thereof, and third and fourth elongated flat plates each having one end mounted to said frame on the rear section adjacent said rear end at either side thereof, the unmounted end of each of said flat plates having an upstanding support arm having a bottom end mounted to said plate and a top end adapted to receive a handle of a litter, and a support plate having a concave upper edge curving down and away from said support arm toward said one end of said flat plate mounted to said frame.
Claim 10
Dependent Claim
38 words
An emergency hand truck as claimed in claim 7 wherein said frame has an open position with said front and rear sections aligned, and a closed position, and including means for locking said frame in the open position.
Claim 11
Dependent Claim
18 words
An emergency hand truck as claimed in claim 8 wherein said means for locking comprises a barrel bolt.
Claim 12
Dependent Claim
22 words
An emergency hand truck as claimed in claim 7 and further including a handle member swivelly mounted to said tapered rear end.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-09-03 | 1994-03-05 | 1994-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-09-03 | 1998-03-05 | 1998-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-09-03 | 2002-03-05 | 2002-09-04 | $7700.00 | Window Closed / Lapsed |